fix null reference

My project/Assets/Scripts/Boss/BossHealth.cs

@@ -22,7 +22,7 @@ public class BossHealth : MonoBehaviour
     bool isSinking;
 
 
-    void Awake ()
+    void Start ()
     {
         anim = GetComponent <Animator> ();
         bossAudio = GetComponent <AudioSource> ();

My project/Assets/Scripts/Player/SwitchWeapon.cs

@@ -13,7 +13,7 @@ public class SwitchWeapon : MonoBehaviour
     public bool boughtShotgun;
     public bool boughtBow;
 
-    private void Awake()
+    private void Start()
     {
         regularGun = GameObject.Find("Gun");
         regularGunEnd = GameObject.Find("GunBarrelEnd");